GB2363933B - Virtual true color light amplificaion - Google Patents
Virtual true color light amplificaionInfo
- Publication number
- GB2363933B GB2363933B GB0124644A GB0124644A GB2363933B GB 2363933 B GB2363933 B GB 2363933B GB 0124644 A GB0124644 A GB 0124644A GB 0124644 A GB0124644 A GB 0124644A GB 2363933 B GB2363933 B GB 2363933B
- Authority
- GB
- United Kingdom
- Prior art keywords
- dot
- color
- image
- dynamic range
- maximum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000013459 approach Methods 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
- H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/60—Editing figures and text; Combining figures or text
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/82—Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction
- H04N23/83—Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction specially adapted for colour signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Color Image Communication Systems (AREA)
- Processing Or Creating Images (AREA)
- Toys (AREA)
- Luminescent Compositions (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12904199P | 1999-04-13 | 1999-04-13 | |
PCT/CA2000/000400 WO2000062528A1 (en) | 1999-04-13 | 2000-04-10 | Virtual true color light amplification |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0124644D0 GB0124644D0 (en) | 2001-12-05 |
GB2363933A GB2363933A (en) | 2002-01-09 |
GB2363933B true GB2363933B (en) | 2003-08-27 |
Family
ID=22438204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0124644A Expired - Lifetime GB2363933B (en) | 1999-04-13 | 2000-04-10 | Virtual true color light amplificaion |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP1177678B1 (es) |
JP (1) | JP4841039B2 (es) |
KR (1) | KR20010113791A (es) |
CN (1) | CN1179546C (es) |
AT (1) | ATE250309T1 (es) |
AU (1) | AU771979B2 (es) |
CA (1) | CA2368544C (es) |
DE (1) | DE60005332T2 (es) |
GB (1) | GB2363933B (es) |
HK (1) | HK1048213B (es) |
MX (1) | MXPA01010248A (es) |
NZ (1) | NZ514714A (es) |
WO (1) | WO2000062528A1 (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101893793B1 (ko) | 2011-05-17 | 2018-10-04 | 삼성전자주식회사 | 컴퓨터 그래픽 영상의 실감도 증강을 위한 장치 및 방법 |
ES2641371T3 (es) * | 2012-10-08 | 2017-11-08 | Koninklijke Philips N.V. | Procesamiento de imágenes con cambio de luminancia con restricciones de color |
CN108711142B (zh) * | 2018-05-22 | 2020-09-29 | 深圳市华星光电技术有限公司 | 图像处理方法及图像处理装置 |
CN109272459B (zh) | 2018-08-20 | 2020-12-01 | Oppo广东移动通信有限公司 | 图像处理方法、装置、存储介质及电子设备 |
CN108900819B (zh) | 2018-08-20 | 2020-09-15 | Oppo广东移动通信有限公司 | 图像处理方法、装置、存储介质及电子设备 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3684825A (en) * | 1971-02-19 | 1972-08-15 | Rca Corp | Contrast compression circuits |
DE3408337A1 (de) * | 1983-03-08 | 1984-09-13 | Canon K.K., Tokio/Tokyo | Bildverarbeitungsgeraet |
WO1986006907A1 (en) * | 1985-05-06 | 1986-11-20 | Eastman Kodak Company | Digital color image processing employing histogram normalization |
US4736244A (en) * | 1984-12-12 | 1988-04-05 | Fuji Photo Film Co., Ltd. | Color film inspection system and data output method therefor |
EP0357385A2 (en) * | 1988-08-31 | 1990-03-07 | Canon Kabushiki Kaisha | Image processing method and apparatus |
EP0603908A2 (en) * | 1992-12-25 | 1994-06-29 | Dainippon Screen Mfg. Co., Ltd. | Method of and apparatus for converting image signals |
US5661575A (en) * | 1990-10-09 | 1997-08-26 | Matsushita Electric Industrial Co., Ltd. | Gradation correction method and device |
EP0838942A2 (en) * | 1996-10-28 | 1998-04-29 | Eastman Kodak Company | Method and apparatus for area selective exposure adjustment |
US5790282A (en) * | 1995-09-19 | 1998-08-04 | Mita Industrial Co., Ltd. | Apparatus and method for adjusting color image by changing saturation without changing brightness |
-
2000
- 2000-04-10 EP EP00916733A patent/EP1177678B1/en not_active Expired - Lifetime
- 2000-04-10 CN CNB008086907A patent/CN1179546C/zh not_active Expired - Lifetime
- 2000-04-10 CA CA002368544A patent/CA2368544C/en not_active Expired - Lifetime
- 2000-04-10 DE DE60005332T patent/DE60005332T2/de not_active Expired - Lifetime
- 2000-04-10 MX MXPA01010248A patent/MXPA01010248A/es active IP Right Grant
- 2000-04-10 AU AU38001/00A patent/AU771979B2/en not_active Expired
- 2000-04-10 JP JP2000611483A patent/JP4841039B2/ja not_active Expired - Lifetime
- 2000-04-10 NZ NZ514714A patent/NZ514714A/en unknown
- 2000-04-10 GB GB0124644A patent/GB2363933B/en not_active Expired - Lifetime
- 2000-04-10 WO PCT/CA2000/000400 patent/WO2000062528A1/en active IP Right Grant
- 2000-04-10 KR KR1020017012996A patent/KR20010113791A/ko not_active Application Discontinuation
- 2000-04-10 AT AT00916733T patent/ATE250309T1/de not_active IP Right Cessation
-
2002
- 2002-11-06 HK HK02108075.9A patent/HK1048213B/zh unknown
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3684825A (en) * | 1971-02-19 | 1972-08-15 | Rca Corp | Contrast compression circuits |
DE3408337A1 (de) * | 1983-03-08 | 1984-09-13 | Canon K.K., Tokio/Tokyo | Bildverarbeitungsgeraet |
US4736244A (en) * | 1984-12-12 | 1988-04-05 | Fuji Photo Film Co., Ltd. | Color film inspection system and data output method therefor |
WO1986006907A1 (en) * | 1985-05-06 | 1986-11-20 | Eastman Kodak Company | Digital color image processing employing histogram normalization |
EP0357385A2 (en) * | 1988-08-31 | 1990-03-07 | Canon Kabushiki Kaisha | Image processing method and apparatus |
US5661575A (en) * | 1990-10-09 | 1997-08-26 | Matsushita Electric Industrial Co., Ltd. | Gradation correction method and device |
EP0603908A2 (en) * | 1992-12-25 | 1994-06-29 | Dainippon Screen Mfg. Co., Ltd. | Method of and apparatus for converting image signals |
US5790282A (en) * | 1995-09-19 | 1998-08-04 | Mita Industrial Co., Ltd. | Apparatus and method for adjusting color image by changing saturation without changing brightness |
EP0838942A2 (en) * | 1996-10-28 | 1998-04-29 | Eastman Kodak Company | Method and apparatus for area selective exposure adjustment |
Also Published As
Publication number | Publication date |
---|---|
KR20010113791A (ko) | 2001-12-28 |
NZ514714A (en) | 2003-11-28 |
DE60005332D1 (de) | 2003-10-23 |
ATE250309T1 (de) | 2003-10-15 |
JP4841039B2 (ja) | 2011-12-21 |
AU3800100A (en) | 2000-11-14 |
CN1179546C (zh) | 2004-12-08 |
CA2368544A1 (en) | 2000-10-19 |
WO2000062528A1 (en) | 2000-10-19 |
MXPA01010248A (es) | 2003-07-21 |
GB2363933A (en) | 2002-01-09 |
CA2368544C (en) | 2006-10-03 |
JP2002542678A (ja) | 2002-12-10 |
DE60005332T2 (de) | 2004-06-17 |
EP1177678B1 (en) | 2003-09-17 |
HK1048213B (zh) | 2005-09-16 |
HK1048213A1 (en) | 2003-03-21 |
CN1354950A (zh) | 2002-06-19 |
AU771979B2 (en) | 2004-04-08 |
EP1177678A1 (en) | 2002-02-06 |
GB0124644D0 (en) | 2001-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20200409 |